Say "cluster" and try to make your brain from photos of massive, govt-funded technological applications or herds of caffeine intake-fueled grad individuals. Pretty tough. However, nearly all good performance computer (HPC) clusters are thin air close to large enough to be eligible as massive, are employed in commercial environments, and are powered by Gigabit Ethernet interconnects. Even within the TOP500® Supercomputer Web sites 99430-5 the volume of clusters jogging Gigabit Ethernet is far more than dual the number of clusters running InfiniBand. Certainly, greater rate minimizing latency will be good for any installment. However the functionality needs for many applications just don’t merit the top labor and cost-rigorous maintenance of InfiniBand.